Measure the width and height of your radiator, then use the appropriate table below to determine it's power output in Watts.
- 1 Kilo Watt (kW) = 1000 Watts.
- 1 Watt is approx. 3.4 BTU/hour, or
- 1000 BTU/hour = 293 Watts.
Single panel
| Single Panel | | Length | | mm | 600 | 900 | 1200 | 1500 | 1800 | | feet | 2 | 3 | 4 | 5 | 6 | |
| Height | | 300mm (12ins) | | 450mm (18ins) | | 600mm (24ins) | | 750mm (30ins) | | | 260 | 390 | 520 | 650 | 780 | | 380 | 570 | 760 | 950 | 1140 | | 490 | 735 | 980 | 1125 | 1470 | | 580 | 870 | 1160 | 1450 | 1740 | |
Single panel with fins
| Single Panel with fins | | Length | | mm | 600 | 900 | 1200 | 1500 | 1800 | | feet | 2 | 3 | 4 | 5 | 6 | |
| Height | | 300mm (12ins) | | 450mm (18ins) | | 600mm (24ins) | | 750mm (30ins) | | | 370 | 555 | 740 | 925 | 1110 | | 560 | 840 | 1120 | 1400 | 1680 | | 720 | 1080 | 1440 | 1800 | 2160 | | 860 | 1290 | 1720 | 2150 | 2580 | |
Double panel
| Double Panel | | Length | | mm | 600 | 900 | 1200 | 1500 | 1800 | | feet | 2 | 3 | 4 | 5 | 6 | |
| Height | | 300mm (12ins) | | 450mm (18ins) | | 600mm (24ins) | | 750mm (30ins) | | | 400 | 600 | 800 | 1000 | 1200 | | 560 | 840 | 1120 | 1400 | 1680 | | 700 | 1050 | 1400 | 1750 | 2100 | | 860 | 1290 | 1720 | 2150 | 2580 | |
Double panel with fins
| Double Panel with fins | | Length | | mm | 600 | 900 | 1200 | 1500 | 1800 | | feet | 2 | 3 | 4 | 5 | 6 | |
| Height | | 300mm (12ins) | | 450mm (18ins) | | 600mm (24ins) | | 750mm (30ins) | | | 580 | 870 | 1160 | 1450 | 1740 | | 860 | 1290 | 1720 | 2150 | 2580 | | 1100 | 1650 | 2200 | 2750 | 3300 | | 1280 | 1920 | 2560 | 3200 | 3840 | |
Double panel with double fins
| Double Panel with double fins | | Length | | mm | 600 | 900 | 1200 | 1500 | 1800 | | feet | 2 | 3 | 4 | 5 | 6 | |
| Height | | 300mm (12ins) | | 450mm (18ins) | | 600mm (24ins) | | 750mm (30ins) | | | 760 | 1140 | 1520 | 1900 | 2280 | | 1040 | 1560 | 2080 | 2600 | 3120 | | 1340 | 2010 | 2680 | 3350 | 4020 | | 1600 | 2400 | 3200 | 4000 | 4800 | |
Further information and useful links
